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July 2004
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2004.07.11 18:47 "sampleper pixel", by Balint Radics
Hi,
I am balint and I have some question concerning tiff and libtiff.
I have a tiff picture.This picture was made such that there was a
measurment
where single photons fell into the pixels of a detector and thus we got a
matrix of (let's say) float or int data in each matrix element.Then we
saved the picture in .tiff format.There are only one directories in each
tiff file.I have a simple question:how can I read the data of each pixels
from the file?Because what I don't understand in libtiff is that I can
read the file following the "scanline" method to a buf:
buf = _TIFFmalloc(TIFFScanlineSize(Tif));
for (int row = 0; row < ImageHeight; row++){
TIFFReadScanline(Tif, buf, row);
"reading the buff somehow";
}
but the problem is that I cannot get the single (let's say float or int
type) datas of single pixels from the buff array.
Can anyone tell me how I can do that?
Thank you in advance,
Balint